Atuchin, Victor V.

Fang, Minghao

Huang, Zhaohui

Ji, Haipeng

Liu, Yangai

Molokeev, Maxim S.

Xia, Zhiguo

English

Tomsk State University Repository

Научный совет по оптике и лазерной физике Российской академии наук Научный совет по люминесценции Российской академии наук Совет научной молодежи ИНЦ СО РАН Иркутский филиал Института лазерной физики СО РАН Институт геохимии СО РАН Иркутский государственный университет  Иркутский научный центр СО РАН           XV Международная молодежная конференция по  ЛЮМИНЕСЦЕНЦИИ И ЛАЗЕРНОЙ ФИЗИКЕ      Село Аршан, Республика Бурятия, Россия,  18–24 июля, 2016 г.      Тезисы лекций и докладов         Иркутск – 2016 г. «ЛЮМИНЕСЦЕНЦИЯ И ЛАЗЕРНАЯ ФИЗИКА» 5SYNTHESIS AND CORE LEVEL PHOTOELECTRON SPECTROSCOPY OF Sr1.75Ca1.25(PO4)2:Eu2+ PHOSPHOR  Haipeng Ji1, Zhaohui Huang1, Zhiguo Xia2, Maxim S. Molokeev3,4, Victor V. Atuchin5,6,7, Minghao Fang1, Yan'gai Liu1  1School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China 2School of Materials Sciences and Engineering, University of Science and Technology Beijing, Beijing 100083, China 3Laboratory of Crystal Physics, Institute of Physics, SB RAS, Krasnoyarsk 660036, Russia 4Department of Physics, Far Eastern State Transport University, Khabarovsk 680021, Russia 5Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk 630090, Russia 6Functional Electronics Laboratory, Tomsk State University, Tomsk 634050, Russia 7Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, Novosibirsk 630090, Russia. E-mail: atuchin@isp.nsc.ru   With intrinsic nature of relatively low sintering temperature, good chemical stability and satisfactory absorption in the ultraviolent (UV)-near UV region, orthophosphate crystals doped with rare earth elements has been widely ex-plored as RGB phosphors. In the present study, the Sr1.75Ca1.25(PO4)2:Eu2+ has been prepared by solid state synthesis at 1250 °C for 5 h in a tube furnace un-der flowing 5% H2-95% N2 reducing atmosphere, and characterized by X-ray powder diffraction.to verify the phase composition. Metal-oxygen chemical bonding has been evaluated using core level photoelectron spectroscopy. The constituent element core levels and Eu 3d band have been measured by X-ray photoelectron spectroscopy. Chemical bonding effects were considered using binding energy difference parameters and wide comparison with other oxides bearing Sr2+, Ca2+ and P5+ ions, and particular attention was given to the Eu-O bonding. The averaged metal-oxygen bond lengths were taken as a structure re-lated parameter. 

Synthesis and core level photoelectron spectroscopy of Sr1.75Ca1.25(PO4)2:Eu2+ phosphor

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Synthesis and core level photoelectron spectroscopy of Sr1.75Ca1.25(PO4)2:Eu2+ phosphor

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